January 2017 Archives - Transmission Digest
GM 6T30 Six-Speed Automatic – Junior Addition – Part 1

During development, the GM 6T70 and Ford 6F50 basically fell off the same sheet of paper resulting in a noticeable amount of interchangeability of various components. One key difference between the two models is that GM chose to go with a mechatronic (TEHCM) valve body design, whereas Ford stuck with the traditional external TCM (PCM). Another variable between the GM and Ford transmissions were the dreaded cushion springs that have been tweaked over the years. Both designs accommodate the larger vehicles equipped with higher output engines and both have received continuous changes and upgrades.

Identifying Allison 1000/2000/2400 Valve Bodies

Over the years, the Allison® 1000/2000/2400 valve body has had four versions. This article is written to help identify each version. The first two versions are five-speed and the last two are six-speed valve bodies. The information will explain casting number and separator-plate combinations that work correctly together.

Shock on a Clutch Release

The DL501-7Q is the manufacturer’s designation of Audi’s 0B5, seven-speed, dual-clutch transmission. It’s a real beast of a transmission weighing in more than 300 pounds, which is certain to hurt your back if you do not handle it correctly. There are quite of few of these running around on the streets here in the U.S. and many more worldwide. A code set for a transmission range sensor is one reason a vehicle will find its way in for repairs. Another more common reason is shifting issues related to the double clutch drum assembly.

Sensor signal? Nearly none, but unit still worked

The customer had multiple concerns: 30-40 mph is the top speed, drive modes won’t switch, neutrals out in reverse, stuck in low gear at times, can’t shift manually, only works in drive Stored DTC 2767, Component Y3/6n3 (speed sensor) is faulty.

What Successful Managers Have In Common

Managers who succeed in growing profitable, enduring businesses tend to display similar traits. They have the ability to see all sides of their problems both professionally and personally and are constantly working toward finding and executing solutions. They know that they can’t do it alone, that they require the help of everyone in their business and in their personal lives, so they train themselves to work with others in varying circumstances.

Unlikely Friendship Sparks Success

A mentor’s generosity launched Tom Fisher’s journey in the transmission repair business, in which he has earned the respect of motorists of Del City, Okla., and beyond.

2017 marks the 40th year of Tom Fisher’s ownership of DC Transmission Services, with longer milestones just around the bend.

How to Keep the Exception from Becoming the Rule

Aside from some glances he shot us from across the restaurant a few times, our server didn’t come back to check on us again. When we flagged him down for our check, only then did he ask how everything was.

January 2017 Issue

In This Issue
GM 6T40 Generation 3 modifications
Toyota Prius No-Start Condition

Litigation: It’s a Lawyer’s Nation

In business, it is very difficult and costly to operate in this regulatory minefield. It is also necessary to school yourself in operating a business properly to avoid litigation whenever possible. You are working on cars and trucks. The driver’s and passengers’ lives and well-being are in your hands. Any mistakes in repair procedures or defective parts can come back to haunt you and can become extremely expensive and time consuming to settle. You hear every day about automotive recalls that cost the manufacturers billions of dollars, such as defective airbags and faulty ignition switches that result in death and injury. The following are some tales from the past that may give you a better perspective on how to fine-tune your operations to avoid such disasters.